Patents by Inventor Seul-ki Kim
Seul-ki Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250098369Abstract: A display device and a method of manufacturing the display device, the display device may include a sub-pixel portion disposed on a base layer and may include a light emitting element area where a light emitting element may be disposed and a sub-pixel area. The light emitting element area and the sub-pixel area may not overlap each other in a plan view.Type: ApplicationFiled: June 5, 2024Publication date: March 20, 2025Applicant: Samsung Display Co., LTD.Inventors: Dal Rae JIN, Seul Ki KIM
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Publication number: 20250079433Abstract: disclosure A positive electrode for a lithium secondary battery includes a positive electrode collector; and a positive electrode active material layer which is formed on at least one surface of the positive electrode collector and includes a positive electrode active material, wherein the positive electrode active material layer has a pore volume of 7.0×10?3·cm3/g to 8.0×10?3·cm3/g. A method for preparing the positive electrode is also provided.Type: ApplicationFiled: January 11, 2023Publication date: March 6, 2025Applicant: LG Energy Solution, Ltd.Inventors: Jong Woo Kim, Gi Beom Han, Eun Sol Lho, Wang Mo Jung, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong Il Kim
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Publication number: 20250070156Abstract: A positive electrode active material includes a nickel-based lithium composite metal oxide having a Ni content of 80 atm % or greater among transition metals except lithium, and in the form of a single particle or pseudo-single particle. The nickel-based lithium composite metal oxide has a coating layer positioned on the surface thereof, wherein the coating layer contains cobalt. The positive electrode active material also satisfies [Equation 1] 1?XY/Z?3, wherein X is the molar number (mol %) of Co in the coating layer based on 100 moles of the nickel-based lithium composite metal oxide, Y is the average particle diameter (?m) of nodules of the nickel-based lithium composite metal oxide, and Z is D50 (?m) of the positive electrode active material, wherein Z is from 5 ?m to 12 ?m.Type: ApplicationFiled: November 12, 2024Publication date: February 27, 2025Applicant: LG Energy Solution, Ltd.Inventors: Eun Sol Lho, Jin Tae Hwang, Su Yeon Oh, Byun Chun Park, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong Il Kim
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Patent number: 12234307Abstract: The present invention relates to an ethylene/alpha-olefin copolymer having a high weight average molecular weight and narrow molecular weight distribution, and at the same time, a reduced characteristic relaxation time, thereby showing excellent physical properties, and a method for preparing the same. A resin composition having improved volume resistance and excellent light transmittance may be prepared by using such ethylene/alpha-olefin copolymer. Accordingly, the ethylene/alpha-olefin copolymer may be utilized in various uses in electrical and electronic industrial fields.Type: GrantFiled: September 25, 2020Date of Patent: February 25, 2025Assignee: LG Chem, Ltd.Inventors: Young Woo Lee, Seul Ki Kim, Dae Woong Lee, Jin Kuk Lee, Eun Jung Lee, Jin Sam Gong, Jung Ho Jun, Jun Hyuk Lee
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Publication number: 20250054942Abstract: A positive electrode for a lithium secondary battery includes a collector; and a positive electrode active material layer disposed on at least one surface of the collector, wherein the ratio of a peak intensity of a (003) plane to a peak intensity of a (101) plane of the positive electrode measured by X-ray diffraction analysis is 8 or more.Type: ApplicationFiled: December 22, 2022Publication date: February 13, 2025Applicant: LG Energy Solution, Ltd.Inventors: Eun Sol Lho, Gi Beom Han, Jong Woo Kim, Wang Mo Jung, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong II Kim
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Patent number: 12219823Abstract: A display device includes electrodes disposed on a substrate, the electrodes extending in a first direction and being spaced apart from each other, a first insulating layer disposed on the electrodes, light-emitting elements disposed on the first insulating layer, between the electrodes, a second insulating layer disposed on the light-emitting elements, the second insulating layer extending in the first direction, connecting electrodes disposed on the second insulating layer and the light-emitting elements, the connecting electrodes electrically contacting end portions of each of the light-emitting elements, and a third insulating layer disposed between the connecting electrodes. An end portion of at least one of the connecting electrodes overlaps another one of the connecting electrodes.Type: GrantFiled: November 15, 2021Date of Patent: February 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seul Ki Kim, Seon Beom Ji, Tae Ha Jin, Dong Hwan Kim
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Patent number: 12191488Abstract: A positive electrode active material includes a nickel-based lithium composite metal oxide having a Ni content of 80 atm % or greater among transition metals except lithium, and in the form of a single particle or pseudo-single particle. The nickel-based lithium composite metal oxide has a coating layer positioned on the surface thereof, wherein the coating layer contains cobalt. The positive electrode active material also satisfies [Equation 1] 1?XY/Z?3, wherein X is the molar number (mol %) of Co in the coating layer based on 100 moles of the nickel-based lithium composite metal oxide, Y is the average particle diameter (?m) of nodules of the nickel-based lithium composite metal oxide, and Z is D50 (?m) of the positive electrode active material, wherein Z is from 5 ?m to 12 ?m.Type: GrantFiled: December 14, 2023Date of Patent: January 7, 2025Assignee: LG Energy Solution, Ltd.Inventors: Eun Sol Lho, Jin Tae Hwang, Su Yeon Oh, Byung Chun Park, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong Ii Kim
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Publication number: 20240421260Abstract: A light-emitting element includes a second semiconductor layer, an active layer above the second semiconductor layer, a first semiconductor layer above the active layer, a first insulating layer surrounding side surfaces of the first semiconductor layer, the active layer, and the second semiconductor layer and an upper surface of the first semiconductor layer, and defining a first opening at the upper surface of the first semiconductor layer, a reflective layer surrounding side surfaces of the first semiconductor layer and the active layer and an upper surface of the first semiconductor layer on the first insulating layer, and a second insulating layer on the reflective layer and on a portion of the first insulating layer on which the reflective layer is not located, defining a second opening on an upper surface of the first semiconductor layer, and having one end having a step with one end of the reflective layer.Type: ApplicationFiled: February 26, 2024Publication date: December 19, 2024Inventors: Seul Ki KIM, Hye Lim KANG, Myeong Hee KIM, Dal Rae JIN, Kook Hyun HAN
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Publication number: 20240347542Abstract: A display panel includes a base substrate, a first transistor disposed on the base substrate and including a first semiconductor pattern layer and a first gate electrode, and a light emitting element disposed on the first transistor and electrically connected to the first transistor. The first semiconductor pattern layer may include a first active pattern layer disposed on the base substrate, a first drain contacting the first active pattern layer, and a first source contacting the first active pattern layer and spaced apart from the first drain. A first spaced region between the first drain and the first source may be defined as a first channel region of the first active pattern layer, and the first gate electrode may overlap the first channel region.Type: ApplicationFiled: March 5, 2024Publication date: October 17, 2024Applicant: Samsung Display Co., LTD.Inventors: SEUL-KI KIM, JUNG KYOUNG CHO, JEONGJU PARK, ILBAE AHN
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Patent number: 12119369Abstract: A display device includes a light emitting area, a non-light emitting area surrounding the light emitting area, and a separation area spaced apart from the light emitting area, the non-light emitting area disposed between the light emitting area and the separation area; a bank disposed in the non-light emitting area; a first alignment electrode and a second alignment electrode that extend from the light emitting area through the non-light emitting area to the separation area; light emitting elements electrically connected to at least one of the first alignment electrode and the second alignment electrode; a first contact electrode disposed in the separation area and electrically connected to the first alignment electrode; and a second contact electrode disposed in the separation area and electrically connected to the second alignment electrode.Type: GrantFiled: September 8, 2021Date of Patent: October 15, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seul Ki Kim, Seon Beom Ji, Tae Ha Jin, Dong Hwan Kim
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Publication number: 20240332457Abstract: According to an embodiment of the disclosure, a display device may include a first electrode disposed on a substrate, a bank disposed on the substrate and including an opening exposing at least a portion of the first electrode, light emitting elements disposed on the first electrode, an insulating layer disposed on the bank to overlap the bank in a plan view, and a second electrode disposed on the insulating layer and the light emitting elements.Type: ApplicationFiled: January 25, 2024Publication date: October 3, 2024Applicant: Samsung Display Co., LTD.Inventors: Seul Ki KIM, Myeong Su SO
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Publication number: 20240334757Abstract: A display device includes: a substrate including a pixel area and an array test area spaced apart from the pixel area; a gate electrode on the substrate, overlapping the pixel area, and defining a first opening; a passivation layer on the gate electrode and defining a second opening overlapping the first opening; a via insulating layer on the passivation layer and defining a third opening overlapping the second opening; a first electrode on the passivation layer and overlapping a portion of the pixel area; and an insulating layer filling the first opening.Type: ApplicationFiled: March 28, 2024Publication date: October 3, 2024Inventors: JONGBUM CHOI, YEEUN KANG, SEUL-KI KIM, SEUNGRAE KIM, WOOGEUN LEE, JAEHYUN LEE
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Publication number: 20240313166Abstract: A light emitting element, a display device including the same and a method of fabricating the same. The light emitting element may include an element rod including a first semiconductor layer, an active layer, and a second semiconductor layer. First and second contact electrodes may be respectively disposed on a first end surface and a second and opposite end surface of the element rod. A reflection layer may surround the first contact electrode and the element rod. An inner insulating layer may be disposed inside the reflection layer and surround the first contact electrode and the element rod. An outer insulating layer external to the reflection layer and may surround the first contact electrode and the element rod. A first inclination of side surfaces of the first semiconductor layer and the active layer and a second inclination of a side surface of the second semiconductor layer may be different.Type: ApplicationFiled: March 6, 2024Publication date: September 19, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyung Rae CHA, Jun Youn KIM, Dong Uk KIM, Myeong Hee KIM, Seul Ki KIM, Hee Keun LEE
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Publication number: 20240270603Abstract: The present invention relates to a method of preparing a positive electrode active material for a lithium secondary battery and a positive electrode active material prepared thereby, wherein the preparation method includes a first step of preparing a lithium transition metal oxide by mixing a lithium raw material and a transition metal precursor containing 70 mol % or more of nickel based on the total number of moles of transition metals and sintering the mixture; and a second step of washing the lithium transition metal oxide with hot water of more than 90° C., wherein, after the second step, a result of EELS analysis of a particle surface of the lithium transition metal oxide satisfies Equation 1.Type: ApplicationFiled: November 2, 2022Publication date: August 15, 2024Applicant: LG Energy Solution, Ltd.Inventors: Eun Sol Lho, Gi Beom Han, Jong Woo Kim, Wang Mo Jung, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong ll Kim
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Publication number: 20240233620Abstract: A display device including multiple first light emitting elements disposed between first pixel electrodes and a first common electrode overlapping the first pixel electrodes, multiple second light emitting elements disposed between second pixel electrodes spaced apart from the first pixel electrodes and a second common electrode overlapping the second pixel electrodes, a support layer disposed between the first light emitting elements and the second light emitting elements and having a predetermined height, a conductive pattern disposed on the support layer, and a contact layer having an end electrically connected to the first common electrode and the another end electrically connected to the conductive pattern.Type: ApplicationFiled: July 31, 2023Publication date: July 11, 2024Applicant: Samsung Display Co., LTD.Inventors: Myeong Su SO, Tae Jin KONG, Seul Ki KIM
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Patent number: 12029770Abstract: Provided is a composition for alleviating fatigue or enhancing exercise capability including extracts or fractions of Angelica gigas, Cnidium officinale, and Paeonia lactiflora as active ingredients. The composition including the extracts or fractions of Angelica gigas, Cnidium officinale, and Paeonia lactiflora as active ingredients may effectively alleviate fatigue accumulated in the body and enhance exercise capability by multilaterally controlling various factors involved in physical fatigue and/or enhancement of exercise capability. Specifically, the composition may effectively control the factors related to fatigue by increasing the expression level of HO-1 by activating the Nrf-2 pathway. Also, since extracts of natural plants or fractions thereof are used as active ingredients, the composition is completely harmless to the human body and may be used safely.Type: GrantFiled: September 24, 2019Date of Patent: July 9, 2024Assignee: KOLMAR BNH CO., LTDInventors: Hyun Kyu Kim, Hak Sung Lee, Seul Ki Kim, Da Ae Kwon, Young Sang Kim
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Publication number: 20240213471Abstract: A positive electrode active material includes a nickel-based lithium composite metal oxide having a Ni content of 80 atm % or greater among transition metals except lithium, and in the form of a single particle or pseudo-single particle. The nickel-based lithium composite metal oxide has a coating layer positioned on the surface thereof, wherein the coating layer contains cobalt. The positive electrode active material also satisfies [Equation 1] 1?XY/Z?3, wherein X is the molar number (mol %) of Co in the coating layer based on 100 moles of the nickel-based lithium composite metal oxide, Y is the average particle diameter (?m) of nodules of the nickel-based lithium composite metal oxide, and Z is D50 (?m) of the positive electrode active material, wherein Z is from 5 ?m to 12 ?m.Type: ApplicationFiled: December 14, 2023Publication date: June 27, 2024Applicant: LG. Energy Solution, Ltd.Inventors: Eun Sol Lho, Jin Tae Hwang, Su Yeon Oh, Byung Chun Park, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong II Kim
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Publication number: 20240204153Abstract: A display device includes a pixel circuit layer including a base layer and a pixel circuit, a first electrode disposed on the pixel circuit layer, light emitting elements disposed on the first electrode, a second electrode disposed on the light emitting elements, a first organic layer disposed between the light emitting elements, a second organic layer disposed between the light emitting elements and spaced apart from the light emitting elements, and a contact layer disposed between the first organic layer and the second organic layer and contacting a side surface of the light emitting elements.Type: ApplicationFiled: June 23, 2023Publication date: June 20, 2024Applicant: Samsung Display Co., LTD.Inventors: Myeong Su SO, Tae Jin KONG, Myeong Hee KIM, Seul Ki KIM, Ji Eun PARK
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Publication number: 20240128408Abstract: A display device including a display area may include: a bank on a base layer; a light emitting element on the base layer in an area, at least a portion of the area being enclosed by the bank; and an antistatic structure including an electrode pattern on the bank. The electrode pattern may be electrically connected to a ground line of the display device to remove static electricity from the display area.Type: ApplicationFiled: October 11, 2023Publication date: April 18, 2024Inventors: Myeong Su SO, Myeong Hee KIM, Seul Ki KIM
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Patent number: 11963399Abstract: A display device includes a substrate including pixels including a first pixel and a second pixel, a driver of the first pixel disposed on the substrate, a driver of the second pixel disposed on the substrate, a first pixel electrode overlapping the driver of the first pixel and electrically connected to the driver of the first pixel, a second pixel electrode overlapping the driver of the first pixel and the driver of the second pixel and electrically connected to the driver of the second pixel, an emission layer disposed on the first pixel electrode and the second pixel electrode, and a common electrode disposed on the emission layer, wherein the second pixel electrode includes a first opening overlapping the driver of the first pixel.Type: GrantFiled: June 16, 2021Date of Patent: April 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwang Soo Lee, Seul-Ki Kim, Seung Rae Kim, Jae Hyun Lee, Ki Su Jin